MgXII Imaging Spectroheliometer (MISH) with spherical bent crystal mirror, for observations of the Sun in the monochromatic MgXII 8.42 A line
EUV Spectoheliometer (EUSH) with grazing incidence diffraction grating, for the registration of full solar discs in monochromatic lines of the spectral band 280–330 A
Two Full-disk EUV Telescopes (FET) with multilayer mirrors covering the band 130-136 A and 290-320 A
Solar EUV Coronagraph (SEC), based on the Ritchey-Chretien scheme, to observe the inner and outer solar corona from 0.2 to 4 solar radii in spectral band 290-320 A
X-ray photometer-spectroheliometer SphinX, designed by the Space Research Center of the Polish Academy of Science